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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 903 (Heater & Air Conditioning Control System) >> Ecu Diagnosis Information >> Air Conditioner Control >> A/C Auto Amp. Terminals Reference Values >> Terminals And Reference Values For A/C Auto Amp

Terminals And Reference Values For A/C Auto Amp

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
Terminal No. Wire color Item Ignition switch Condition Voltage (V) (Approx.)
1 G/O Optical sensor (driver) ON - 0 - 5V
2 L Air mix door motor (passenger) ON - Battery voltage
3 P V ref ACTR (ground) ON - 5V
4 W/R Compressor ON signal ON A/C switch OFF 5V
ON A/C switch ON 0V
5 L/R Fan ON signal ON Blower switch OFF 5V
ON Blower switch ON 0V
6 SB Air mix door motor (driver) feedback ON - 0 - 5V
7 GR Mode door motor feedback ON - 0 - 5V
8 R/L Illumination + ON Park lamps ON Battery voltage
9 B/R Illumination - - Park lamps ON
G04903931Courtesy of NISSAN NORTH AMERICA, INC.
10 LG/B Defroster door motor feedback ON - 0 - 5V
11 L/B Intake sensor ON - 0 - 5V
12 G/Y Variable blower control (rear) ON - 0 - 5V
13 G/R Variable blower control (front) ON - 0 - 5V
14 G/W Air mix door motor (passenger) CW ON Clockwise rotation Battery voltage
15 Y/G Power supply for IGN ON - Battery voltage
17 W/G Air mix door motor (driver) CW ON Clockwise rotation Battery voltage
18 G Air mix door motor (driver) CCW ON Counterclockwise rotation Battery voltage
19 BR/W Mode door motor CW (front) ON Clockwise rotation Battery voltage
20 P/L Mode door motor CCW ON Counterclockwise rotation Battery voltage
21 G/B Intake door motor CCW ON Counterclockwise rotation Battery voltage
22 O Intake door motor CW ON Clockwise rotation Battery voltage
23 LG Defroster door motor CW ON Clockwise rotation Battery voltage
24 P/B Defroster door motor CCW ON Counterclockwise rotation Battery voltage
25 P Ambient sensor ON - 0 - 5V
26 V/R Sensor ground ON - 0V
27 Y/R Power supply for BAT - - Battery voltage
28 Y V ref ACTR (5V) ON - 0 - 5V
29 R/W Air mix door motor (passenger) feedback ON - 0 - 5V
30 R/Y Mode door motor (Rear) feedback ON - 0 - 5V
31 BR/Y In-vehicle sensor motor (+) ON - Battery voltage
32 LG/R In-vehicle sensor signal ON - 0 - 5V
33 R/Y Air mix door motor (Rear) feedback ON - 0 - 5V
36 B Ground - - 0V
40 P CAN-L ON - 0 - 5V
41 L CAN-H ON - 0 - 5V
42 W/V Optical sensor (passenger) ON - 0 - 5V
43 GR/R Mode door motor (Rear) CW ON Clockwise rotation Battery voltage
44 L/Y Mode door motor (Rear) CCW ON Counterclockwise rotation Battery voltage
45 Y/L Water valve ON Water valve open Battery voltage
Water valve closed 0V
46 W/G Water valve ON Water valve open 0V
Water valve closed Battery voltage
47 O LIN BUS (rear) ON - Battery voltage
48 O LIN BUS (front) ON - Battery voltage
49 GR/R Air mix door motor (Rear) CW ON Clockwise rotation Battery voltage
50 L/Y Air mix door motor (Rear) CCW ON Counterclockwise rotation Battery voltage